Yes, using straws.
Drawing. Not drafting, I can do that well, but if you need me to freehand draw anything more complicated than a poorly-executed XKCD cartoon copy, it won’t be a good result.
When I was young, I wanted to go on a walk in a nearby wooded area. My father was busy & suggested that I should take the dog instead. I protested that I would never be able to find my way home if I went by myself.
My father told me that when I wanted to go home, I should tell the dog to go home & that the dog would lead me. I’d never heard anything so insane.
but…
It worked.
The dog knew his way home. I did not. And, this was not an isolated incident. It happened many times.
David Letterman once said, “I don’t sing or dance & I don’t like being near people who can.” Sums it up nicely for me as well.
Close. My idea of decorating a room is to find two similar, identically-sized prints and put them on either side of the door. I measure carefully to ensure they are at exactly the same height and the same distance from the door frame.
Another thing for me is tact. I am totally not a tactful person, mostly because I hate wasting time pussy footing around. I’m going to tell it like it is, and if you don’t like the way I say it, I don’t care.
I cannot express myself accurately. The thoughts are concise and clear in my head, but they don’t make it out of my mouth or onto the page. I will most certainly be misunderstood/ignored in an argument or debate. I’ve surrendered to this fact, and now I (mostly) just STFU.
I can communicate rote ideas and some concepts, but I’m wary to offer advice or opinion. I won’t be understood, and I might just lead someone down an unplanned rabbit hole.
Teaching music… especially guitar. I have played guitar for almost 40 years… but can’t teach it.
I can teach kids to play hockey, baseball, football, paddling, sailing or outdoor skills, etc… but I can’t teach guitar.
Oh, and I can’t do Ziplock bags!
Typing anything on my phone. I don’t know how some people manage do it with just their thumbs, said thumbs moving so fast it’s like a blur of motion.
I usually have to poke it out with my right index finger.
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Math and science related courses beyond basic level stuff.
I consistently did bad at many tests and projects, I had tutors, study partners and everything!
Whistling.
I used to be able to sound two or three notes by puckering my lips and blowing, like the woman said, but now I can’t even do that.
I have never once successfully whistled through my fingers.
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I don’t understand what you mean by that. 
For me it’s singing. One of the great traumas of my childhood occurred in 8th grade music class. The first day, in order to determine our singing range I guess, the teacher had each student come up to the front of the room and sing a note after she played it on the piano. Mine went like this:
Teacher: (ping)
Me: La…
Teacher: No, sing this note: (ping)
Me: La…
Teacher: No, you’re not singing the right note. Here: (ping)
Me: La…
This repeated a half dozen times. Then in order to make it even more humiliating, at that point the gods decided that a messenger would come to the class and call the teacher out of the room for a few minutes. As she left, the class broke out in laughter and jeered at me as I stood in the front waiting for her return. I was the only person in the class who apparently couldn’t repeat a note that was just played. Since that day, over 40 years ago, I have made sure never to sing when anyone else could hear me.
Directions. I always tell people its because I’m female, and men are better at that, but when I walk out of the doctors office, they have to show me which way to go.
This reminds me of another thing I’m bad at: brevity. When I tell a story, I want to include background and details. If I try to express an idea, I tend to want to keep explaining and explaining until I think it’s clear.
It’s even worse if someone tells me I’m a good writer because suddenly, I become kind of self-conscious about everything I write. So either I end up purpling up responses to threads about how you like your eggs or go to the opposite extreme and start talking like a caveman who know how to use conjunctions.